Question: 2. Consider the following BNF grammars: Grammar A: = := tick tock Grammar B: := := tick tock | Grammar C: := := tick tock

2. Consider the following BNF grammars: Grammar A: = := tick

2. Consider the following BNF grammars: Grammar A: = := tick tock Grammar B: := := tick tock | Grammar C: := := tick tock | tick tock For each grammar (A, B, and C): a. Is the grammar ambiguous? b. If it is ambiguous, give two different rightmost derivations for the same sentence. If it is not, try to briefly explain why it is not possible for there to be two rightmost derivations

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